查询词典 turbine generator

It's an effective measure of fast valving in improving the dynamic stabilities of power system and preventing the overspeed of steam turbines, but the fast valving technique available can satisfy the need of modern steam turbines no more. On the basis of the new type fluid logic valve, which combines the regulating systems and safety systems happily, the steam turbine EHC based on new principle is put forward, one of its outstanding characteritics is, the fast valving is operating in a closed control loop. For the implementation of control for steam generator regulation and safety systems with nonlinear mult-operating modes, a new methodology for designing a fuzzy logic controller is proposed, which is based on the combination of"error phase plane"and"variable universe of discourse". Application of a double-mode FLC with the new methodology is presented, the validity of the design methodolody is desmonstrated by test; A new methodolody is also presented to improve the design and tuning of a FLC using variable structure control theory.

本文还详细讨论了快关控制在提高电力系统暂态稳定性及超速保护中的应用，分析了现有的快关控制规律的局限性，研究出一种基于新型快关阀的汽轮机电液控制系统，其突出特点是使汽轮机闭环快关成为现实，指出这种基于新的组成原理与设计方法的汽轮机电液控制系统对不同工况下的适应能力；针对汽轮发电机组多工况、非线性的特点，提出一种把&误差相平面&方法与&可变论域&思想有机结合的双模FLC设计与调整的新方法，试验结果表明该系统具有良好的动、静态特性；为改善FLC控制规则的设计与调整，作者还介绍了一种把滑模变结构理论成功应用于模糊系统设计的新方法。

By virtue of bifurcation diagrams, Poincaré maps, orbits, time histories and frequency spectrum diagrams, the nonlinear dynamic responses of the generator rotor and hydraulic turbine rotor with coupling faults were analyzed. The results confirmed rich nonlinear motions such as periodic motion and quasi-periods with different values of parallel misalignment and declination. Moreover, the process of rub-impact is so complex that many low frequencies with large amplitude are in the range of

通过分岔图、Poincaré截面图、轴心轨迹图、时域波形图和幅值谱图系统地分析了发电机转子与水轮机转子在耦合故障下非线性动力学响应，发现机组转子系统随不对中平行量和偏角变化存在周期运动和复杂的拟周期，其碰摩过程非常复杂，机组故障特征频率除主要在1倍频外，还在0.3~0.4倍频处存在幅值较大的谐波分量。

The effect of the expansion and the anti-thrust ring on the stress and deformation of the spiral case structure are analyzed respectively. It is found that the presence of expansion reduces in large extent the stiffness of the spiral case as a supporting structure of the turbine. It affects the safe stability of the hydro generator.

3通过对是否设置伸缩节与止推环的方案对比分析，发现设置伸缩节在一定程度上降低了流道系统的轴向刚度和抗扭转刚度，影响水电机组的安全稳定运行，设计中应予以重视。

In a gas generator cycle engine, the turbine flow is in parallel with the thrust chamber and is not used to develop thrust.

在一个燃气发生器循环发动机，涡轮流量是在平行与推力室和不被用于发展的主旨。

Natural gas generator sets can be divided into two kinds, one is a combined-cycle gas turbine, one is a gas engine.

天然气发电机组主要分为两种，一种是联合循环燃气轮机，一种是燃气内燃机。

The combination of the compressor, combustor, and high pressure turbine are often called the gas generator.

压缩机的组合， combustor，和高压涡轮经常称气体发电器。

Wind turbine gearbox is a key part in MW wind power generator,which is more easily over load and has a high failure rate.

风电增速齿轮箱在兆瓦级风力发电机中属易过载和损坏率较高的部件，对其性能进行分析，预测其性能并进行优化是十分必要的。

First, assemble a wind turbine complete with electric generator, adjustable rotors, and wind speed indicator.

动手装配一个包含发电机的风扇组，可调转子，风速指示仪。

During the process of steam turbine start-up and normal operation, vacuum extraction equipment must run,whether it works normally effects on the vacuum of condenser directly and decide whether turbo-generator can operate safely and economically.

汽轮发电机组在启动和正常运行过程中，抽真空设备都要投入运行，其工作的正常与否直接影响凝汽器的真空以及机组能否安全、经济运行。

The pressure change process for the given section of diversion system,the speed change process for the water turbine and generator, the level fluctuation process for the surge tank and their maximum and minimum values all can be obtained at the same time.

本文对碧口水电站压力引水系统的非恒定流情况进行了分析计算，同时得出了引水系统指定断面的压力变化过程；水轮发电机组的转速变化过程；调压井的水位波动过程及相应的最大最小值。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。